Masione 4 Pack Indoor CCTV Fake Dummy Dome Security Camera with Flashing Red IR LEDs Light This dummy camera has 11pcs IR LEDs and they will turn on when the ambient turn dark 10LUX Can be mounted on wall or ceiling using the included screws; Mounting Method: two D holes with W slot On/off method: removal/ installation of batteries; Power source: 2AA 1.5V batteries (not included) Battery life: about 8 months. (Tested by 2*AA 1.5V 1500mA batteries.) Camera Height: 10cm; Bottom Diameter: 12.5cm